In Aug, 2010, our salesman found one customer who need to use the Li-polymer 7872196 20Ah 14.8V battery pack.
In Sep, 2010, the customer visited our factory and find some incorrect points.
In Oct-Dec, 2010, we reformed for 3 months according to the incorrect points from customer.
In Feb, 2011, the customer re-checked our factory and confirmed the work.
In Apr, 2011, we were listed the qualified supplier of customer.
In May, 2011, customer sent their scooter battery sample to our company for referencing;

In Dec 2013, a client consulted scooter battery via our website.
In Jan 2014, customer sent their scooter battery sample to our company for referencing;
In Jan 2014, we produced the sample and sent them to ...